Finding the Fourth Proportional to 7,854,346.64, 10,839,062.94 and 4,416,557.60
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Solution
The fourth proportional to 7,854,346.64, 10,839,062.94 and 4,416,557.60 is: 6,094,885.80
Step by Step Solution
- Step 1: Write the proportion equation
7,854,346.64 : 10,839,062.94 = 4,416,557.60 : x - Step 2: Convert to fraction form
7,854,346.64/10,839,062.94 = 4,416,557.60/x - Step 3: Cross multiply
7,854,346.64x = 10,839,062.94 × 4,416,557.60 - Step 4: Simplify right side
7,854,346.64x = 47,871,345,804,535.34 - Step 5: Solve for x
x = 47,871,345,804,535.34/7,854,346.64 - Step 6: Final answer
x = 6,094,885.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.